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The schematic diagram:
Experimental Procedures
Step 1: Build the circuit according to the following method
Raspberry Pi T-Cobbler PCF8591 Module
SDA SDA1 SDA
SCL SCL1 SCL
3V3 3V3 VCC
GND GND GND
Sound Sensor Module T-Cobbler PCF8591 Module
SIG * AIN0
VCC 3V3 VCC
GND GND GND
